<template>
  <div class="login-container">
    <h1>融健科技家庭养老床位管理系统</h1>
    <img src="../../assets/images/bg.png" alt="" class="bg-img" />
    <div class="login-img">
      <div class="left">
        <img src="../../assets/images/bg-img.png" alt="" class="left-img" />
      </div>
      <el-form
        ref="loginForm"
        :model="loginForm"
        :rules="loginRules"
        class="login-form"
        auto-complete="on"
        label-position="left"
      >
        <!-- <div class="title-container">
          <h3 class="title">融健科技适老化改造管理系统</h3>
        </div> -->

        <el-form-item prop="username">
          <span class="svg-container">
            <svg-icon icon-class="user" />
          </span>
          <el-input
            ref="username"
            v-model="loginForm.username"
            placeholder="用户名"
            name="username"
            type="text"
            tabindex="1"
            auto-complete="on"
          />
        </el-form-item>

        <el-form-item prop="password">
          <span class="svg-container">
            <svg-icon icon-class="password" />
          </span>
          <el-input
            :key="passwordType"
            ref="password"
            v-model="loginForm.password"
            :type="passwordType"
            placeholder="密码"
            name="password"
            tabindex="2"
            auto-complete="on"
            @keyup.enter.native="handleLogin"
          />
          <span class="show-pwd" @click="showPwd">
            <svg-icon
              :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
            />
          </span>
        </el-form-item>
        <div>
          <el-checkbox
            v-model="loginForm.rememberMe"
            style="margin: 0 0 15px 0"
          >
            记住我
          </el-checkbox>
          <el-link style="float: right" :underline="false" type="primary"
            >忘记密码？</el-link
          >
        </div>

        <el-button
          :loading="loading"
          type="primary"
          style="width: 100%; margin-bottom: 30px"
          @click.native.prevent="handleLogin"
          >登录</el-button
        >

        <!-- <div class="tips">
        <span style="margin-right:20px;">username: admin</span>
        <span> password: any</span>
      </div> -->
      </el-form>
    </div>

    <div class="logo-container">
      <img src="@/assets/images/logo.png" alt="" class="logo" />
      杭州融健科技有限公司
    </div>
  </div>
</template>

<script>
import { validUsername } from "@/utils/validate";

export default {
  name: "Login",
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error("请输入用户名"));
      } else {
        callback();
      }
    };
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error("请输入正确的密码格式"));
      } else {
        callback();
      }
    };
    return {
      loginForm: {
        username: "admin",
        password: "111111",
        rememberMe: false
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", validator: validateUsername }
        ],
        password: [
          { required: true, trigger: "blur", validator: validatePassword }
        ]
      },
      loading: false,
      passwordType: "password",
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === "password") {
        this.passwordType = "";
      } else {
        this.passwordType = "password";
      }
      this.$nextTick(() => {
        this.$refs.password.focus();
      });
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          this.$store
            .dispatch("user/login", this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || "/" });
              this.loading = false;
            })
            .catch(() => {
              this.loading = false;
            });
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    }
  }
};
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 40px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 5px;
      color: $light_gray;
      height: 40px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
    margin-bottom: 15px;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-image: linear-gradient(
    180deg,
    #409eff 0,
    #409eff 40%,
    #fff 0,
    #fff
  );

  // background-image: url("~@/assets/images/bg.jpg");
  // background-repeat: no-repeat;
  // background-size: cover;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;

  h1 {
    position: absolute;
    top: 2%;
    left: 50px;
    color: #fff;
  }

  .bg-img {
    position: absolute;
    top: 0;
    right: 50px;
    height: 40%;
  }

  .login-img {
    position: absolute;
    width: 75%;
    height: 75%;
    max-width: 100%;
    padding: 30px 0;
    overflow: hidden;
    background-color: white;
    // right: 10%;
    // top: 25%;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.12), 0 0 6px rgba(0, 0, 0, 0.04);

    .left {
      width: 50%;
      height: 90%;
      border-right: 1px #b7b7b7 dashed;
      display: flex;
      .left-img {
        width: 100%;
        object-fit: contain;
      }
    }
  }

  .login-form {
    width: 50%;
    padding: 100px;
    .el-form-item {
      margin-bottom: 40px;
    }
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: #08307c;
      margin: 0px auto 20px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
.logo-container {
  position: absolute;
  left: 5%;
  bottom: 5%;
  color: #08307c;
  font-size: 20px;
  // line-height: 24px;
  display: flex;
  align-items: center;
  .logo {
    width: 36px;
    height: 36px;
    margin-right: 16px;
  }
}
</style>
